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17\39 + 25,2=
Ajutatima va rog frumos


Răspuns :

17/39+252/10=17/39+126/5=17*5/39*5+126*39/5*39=4999/195
17/39+25,2=17/39+252/10=170/390+9828/390=(170+9828)/390=
9998/390=4999/195